Supplement stacks / Apixaban + Vitamin K

Can You Take Apixaban with Vitamin K?

Taking Apixaban with Vitamin K can pose risks due to Vitamin K's role in blood clotting, which may counteract the effects of Apixaban, an anticoagulant. Monitoring is essential to ensure safety.

Safety at a glance
High risk
Safety score4/10

Conservative, AI-assisted reading of publicly available medical sources (NIH, Mayo Clinic, WebMD, Examine.com). Informational only — it can't account for your medications, conditions, or genetics.

Known interactions
Apixaban × Vitamin K
high

Vitamin K can reduce the effectiveness of Apixaban, potentially increasing the risk of clot formation. Regular monitoring of INR is recommended, and intake of Vitamin K should be consistent.

Apixaban

Apixaban is generally well-tolerated but can increase the risk of bleeding. Regular monitoring is necessary, especially when combined with other substances affecting coagulation.

Typical dosage: 5 mg twice daily, adjusted based on renal function and other factors.

Common side effects:
  • Bleeding
  • Anemia
  • Nausea
Warnings:
  • Monitor for signs of bleeding; consult healthcare provider if any unusual bruising or bleeding occurs.
Vitamin K

Vitamin K is generally safe but can interfere with anticoagulant medications like Apixaban. Consistency in intake is crucial.

Typical dosage: Varies by product — follow the label.

Common side effects:
  • Allergic reactions (rare)
  • Gastrointestinal upset (rare)
Warnings:
  • Consult healthcare provider before starting Vitamin K if on anticoagulants.
Timing

Take Apixaban and Vitamin K at the same time each day to maintain consistent levels, but consult your healthcare provider for specific timing recommendations.

Watch out for
  • Regularly monitor INR levels and maintain consistent Vitamin K intake to avoid fluctuations in anticoagulant effectiveness.
Frequently asked questions

Can you take Apixaban and Vitamin K together?

Taking Apixaban with Vitamin K can pose risks due to Vitamin K's role in blood clotting, which may counteract the effects of Apixaban, an anticoagulant. Monitoring is essential to ensure safety.

How safe is the Apixaban and Vitamin K combination?

Our analysis of publicly available medical sources scores this combination 4/10 (high risk). This is an informational estimate, not medical advice — always confirm with a healthcare professional.

When should you take Apixaban and Vitamin K?

Take Apixaban and Vitamin K at the same time each day to maintain consistent levels, but consult your healthcare provider for specific timing recommendations.

What should you watch out for when combining Apixaban and Vitamin K?

Regularly monitor INR levels and maintain consistent Vitamin K intake to avoid fluctuations in anticoagulant effectiveness.

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Analysis generated August 28, 2026 · Sources include NIH, Mayo Clinic, WebMD, and Examine.com · How our analysis works